(19)
(11) EP 3 854 895 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
20.03.2024 Bulletin 2024/12

(45) Mention of the grant of the patent:
27.12.2023 Bulletin 2023/52

(21) Application number: 20762902.3

(22) Date of filing: 06.01.2020
(51) International Patent Classification (IPC): 
H01B 1/02(2006.01)
C22F 1/00(2006.01)
H01S 3/038(2006.01)
 C22C 9/00(2006.01)
C22F 1/08(2006.01)
(52) Cooperative Patent Classification (CPC):
C22C 9/00; C22F 1/08; H01B 1/026
(86) International application number:
PCT/JP2020/000092
(87) International publication number:
WO 2020/174880 (03.09.2020 Gazette 2020/36)

(54)

COPPER ELECTRODE MATERIAL

KUPFERELEKTRODENMATERIAL

MATÉRIAU D'ÉLECTRODE EN CUIVRE

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 28.02.2019 JP 2019036759
01.07.2019 JP 2019123226

(43) Date of publication of application:
28.07.2021 Bulletin 2021/30

(73) Proprietor: JX Metals Corporation
Tokyo 105-8417 (JP)

(72) Inventors:
  • TAKAHATA,Masahiro
    Kitaibaraki-shi, Ibaraki 319-1535 (JP)
  • FUKUYO,Hideaki
    Tokyo 100-8164 (JP)
  • IMORI,Toru
    Tokyo 100-8164 (JP)
  • TAKEMOTO,Koichi
    Kitaibaraki-shi, Ibaraki 319-1535 (JP)

(74) Representative: Mewburn Ellis LLP 
Aurora Building Counterslip
Bristol BS1 6BX
Bristol BS1 6BX (GB)


(56) References cited: : 
EP-A1- 1 903 119
JP-A- 2001 274 487
JP-A- 2003 147 474
US-A1- 2008 223 728
 JP-A- S5 789 448
JP-A- 2003 147 474
JP-A- 2015 527 726
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).